import React, { useState, useEffect } from "react";

function Example(){
  const [ count , setCount ] = useState(0);
  useEffect(()=>{
    console.log(111);
  },[])
  return (
    <div>
        <p>You clicked {count} times</p>
        <button onClick={()=>{setCount(count+1)}}>click me</button>
    </div>
  )  
}
export default Example